Re: [Simmons Drums] Introduction From Longtime Lurker
2013-05-30 by jesper
... No, in fact they re different. I think someone else can give the correct voltages but I recall the SDS-9 is the odd bird here... -- electronically yours,
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Re: Introduction From Longtime Lurker
2013-05-29 by alfpaches
Hi Phil. I have a SDSV and SDS7 brains and SDSV and SDS9 pads and the only thing I can say is that on some occasions I´ve used the SDSV pads with the SDS7
Re: [Simmons Drums] Introduction From Longtime Lurker
2013-05-29 by Phil a
I see. So that would mean that the pads themselves output very low voltages then. And are these low voltages comparable/within the same kind of range among
Re: [Simmons Drums] Introduction From Longtime Lurker
2013-05-29 by jesper
... It s far from voltages. The pad inputs are using far lower values. It s the sequencer inputs that range from circa +3 to +15 depending on model. The pads
Re: [Simmons Drums] Introduction From Longtime Lurker
2013-05-28 by Phil a
I quite agree with you. Now regarding sensitivity, ease of play, etc... are they all identical ? Is it only a difference in looks ? And do they all output the
Visu-lite Cymbals?
2013-05-27 by simmonssds7fan
Does anyone have any experience using Pintech s Visulite cymbal triggers with their vintage SDS-7 units? Are they compatible? Original Simmons cymbal triggers
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-26 by gordonjcp
... Okay, you really do need to get an oscilloscope. They re not expensive. Pick up a dual-trace analogue scope from someone who will allow you to go along
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-26 by simmonssds7fan
Haha! Got to love it Michael! I d rather spend a little on components and have them fresh again and not have to worry about them for a while than the
Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-26 by Michael Buchner
But: I lost my 10$, because it was not a 4051 fault! ... From: simmonssds7fan To: Simmons_Drums@yahoogroups.com Sent: Saturday, May 25, 2013 5:39 AM Subject:
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-25 by Richard
Yes you are correct that the correct path to go is to properly test and identify the fault, seek out the cause then rectify that cause. This is all good in a
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-25 by simmonssds7fan
Progress report number two, one night later: I m closer than I was last evening with getting my SDS9 fixed. Thought I had it tonight after replacing all 17
Re: [Simmons Drums] Introduction From Longtime Lurker
2013-05-24 by Phil a
Hi Sandman, You still around ? Cheers, Phil ... [Non-text portions of this message have been removed]
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-24 by gordonjcp
... Yes, it can hurt to replace those TL084s. Are you just randomly replacing bits one at a time and hoping you get lucky? *TEST* - then, if the part is
Re: [Simmons Drums] SDS8 Power Issue
2013-05-24 by ken evans
Yes - quite correct, no battery. That s my stupid, probably thinking of some other piece of equipment. But it did have the power supply re-jigged for different
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-24 by simmonssds7fan
Progress report: replaced IC61 and the six 4051 demux chips, no real change other than the sound generation is a bit stronger. The original random triggering
Re: [Simmons Drums] SDS8 Power Issue
2013-05-23 by simmonssds7fan
I did say if it had one and that I was not that familiar with the inner workings of the machine having never owned or worked on one...LOL! Its all good.
Re: [Simmons Drums] SDS8 Power Issue
2013-05-23 by jesper
Battery? In a SDS-8? What s that used for? -- electronically yours, jesper - -- --- ---- ----- ---- --- -- - www.electronic-obsession.se
Re: [Simmons Drums] SDS8 Power Issue
2013-05-23 by ken evans
Thanks for the responses - just thought it might be a common known problem that I could give the tech a heads up on when I took it to him (I was never
Re: [Simmons Drums] SDS8 Power Issue
2013-05-23 by simmonssds7fan
Not being an electronics tech either, and not knowing the SDS-8 very well, I can t say: this right here is your problem . What I can add to the conversation
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-23 by simmonssds7fan
I should have the replacement 4051s here today, so this may be a nice starting point on this project for the weekend. I ordered some tl84s as a precaution
Re: [Simmons Drums] SDS8 Power Issue
2013-05-23 by WT
Something is broken :) Take it to the tech. It could be anything, really....Without opening and doing a visual check and some basic measuring no one can answer
SDS8 Power Issue
2013-05-23 by ken evans
I m no electronics tech so I ll almost certainly be taking my SDS8 to my repair guy, but thought I d ask for any ideas on what the problem may be first... SDS8
Re: [Simmons Drums] Introduction From Longtime Lurker
2013-05-22 by jesper
... I like the SDS-III pads since they have real skins... they re also bloody stylish. :D -- electronically yours, jesper - -- --- ---- ----- ---- --- -- -
Re: [Simmons Drums] Introduction From Longtime Lurker
2013-05-22 by Phil a
... Thanks for sharing your wide experience. Being currently trying to define the best pads to play my SDS-III, V and 7, may I ask why do you prefer the SDS-9
Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by Michael Buchner
In some cases, a re-capping is recommended. There are different brands of capacitors reacting different to humidity. On some SDSVs I had the chewing gum like
Re: Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by Michael Buchner
It takes some time. To change an IC, you can say: half an hour. I cut the IC legs on the component side with a dremel disc, so that the IC body falls off. The
Re: Re : Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by jesper
If not obvious: Cut the legs of the ICs to be replaced with a pair of pliars and desolder one leg at a time. Removing an entire IC without destroying it is a
Re: Re : Re: [Simmons Drums] WTB: SDS-7 S elector pad stand mount
2013-05-22 by jesper
In other words: Very Simmons-standard. ;) -- electronically yours, jesper - -- --- ---- ----- ---- --- -- - www.electronic-obsession.se
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by Richard
I like Michael have repaired quite a few SDS9 s in my time and fully agree with what he is saying. 95% of the random triggering issues I have dealt with were
Re : Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by simmonssds7fan
I can tell you from personal experience that it took the better part of two afternoons to de-solder the old caps and solder in the new ones (but as I stated
Re : Re: [Simmons Drums] WTB: SDS-7 Selector pad stand mount
2013-05-22 by Jacquot.Patrice@...
Funny mine don t have the same shape at all. ... De: jesper À: Simmons Drums Envoyé: Wed, 22
Re : Re: Re : Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by Jacquot.Patrice@...
lol ! yep probably... suspicious excessive solidarity ^^ ... De: jesper À: Simmons Drums
Re: Re : Re: [Simmons Drums] Re: SDS 9 el ementary problem & deeper fault
2013-05-22 by jesper
... Factory stereo mod? ;) -- electronically yours, jesper - -- --- ---- ----- ---- --- -- - www.electronic-obsession.se
Re : Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by Jacquot.Patrice@...
I guess I will confirm you that suspicions quite soon , as my both 9 are asthmatic at the moment ;) funny enough at the same moment actually. Michael is it a
Re: [Simmons Drums] WTB: SDS-7 Selector pad stand mount
2013-05-22 by jesper
Hi, here s a few shots taken minutes ago. I hope they are to some use: http://electronic-obsession.se/studio/simmons/selectorstand/selector1.jpg
Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by Michael Buchner
Start with the 4051s. In most cases... Best Michael ... From: simmonssds7fan To: Simmons_Drums@yahoogroups.com Sent: Wednesday, May 22, 2013 2:52 PM Subject:
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by simmonssds7fan
So, you recommend replacing the tl84 chips as well? I was planning on starting with the 4051s first and the chip for IC61 as well, 74ls156 I believe, which all
Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by Michael Buchner
I had nearly 30 SDS9 in my shop for repair, in nearly all cases the fault was the demux. I repaired some SDS9 by changing the s/h caps, some by replacing the
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by simmonssds7fan
Sorry, the cap value should have read 100nf-63v, or .1uf-63v, NOT .1nf it is early here...LOL!
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by simmonssds7fan
I replaced all the polyfilm caps that were rated at .1nf-63v on the board as I was told that these were worn out and at the end of their useful life . I was
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by simmonssds7fan
The power supply works normally, no fluctuations and the voltage outputs are to spec. The toms do not use an eprom for sound generation on these, however, yes,
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by philmurr
I m from the replace electrolytics caps school. Especially the power supply section. I can t remember for sure, but think there are only half a dozen
Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by jesper
... This may sound rudimentary, but have you checked the power lines? Any fluctuations? Since it s running so hot that seems like the best bet... Are the proms
Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by jesper
... Among other things, yes. It s certainly noones intention to offend nor not helping... ... I don t think his intention was to mock. But it s easy to
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-22 by simmonssds7fan
Pardon the newbie if you feel that I somewhat offend with the following remarks but......isn t the point of this group to help others with their expertise (or
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-21 by simmonssds7fan
Alright then.....let me run the issue by you then and see what you think it is. When you power it up, it initializes normally. Then the low tom circuit trigger
Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-21 by Nick Zampiello
i bought a JP6 from a guy that had a pro fix the bender board. but neither the LFO 2 or bender worked. upon inspection he had all of the transistors and
[Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-21 by gordonjcp
... They don t wear out. They rarely fail. When they do, they cause very, very distinctive faults. It s worth noting that just about the only capacitors I
Re: Re : Re: [Simmons Drums] Re : SDS 9 elementary problem & deeper fau lt
2013-05-21 by jesper
... No, since IC s are small boxes of more or less standard solutions. An oscillator is no flip-flop divider and a triple gate is no operational amplifier.
Re : Re: [Simmons Drums] Re: SDS 9 elementary problem & deeper fault
2013-05-21 by simmonssds7fan
To be fair to Michael, I may have mis-understood what he originally told me in his original email to me. Possibly something lost in translation, as he is in